Tube-winding machine



April 13, 1926.

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INVENTORs G.U. rake awk CB'Y/tlmann A ATTORNEY Patented Apr. 13, 1926.

UNITED STATES GEORGE U. BRAKE AND CHARLS HOLLMANN, OF FORT PATENT OFFICE.

WAYNE, INDIANA.

i TUBE-WINDING MACHINE.

` application nieu october is, i925.

To all whom it may concern:

Be it known that we, GEoReE U. BRAKE and CHARLES HOLLMANN, citizens of the United States, residing Aat Fort Wayne, in the county of Allen and State of Indiana, have invented new and useful Improvements in Tube-Winding Machines, of whic the following is a specification.

The invention` relates lto machines by' which v-to vwind rectangular M tubes.` There is a demand for rectangular paper tubes,`

boxes, it being evifor core purposesand for v dent, in the case of boxes, that moreof them may be packed ina container than where they are cylindrical.

` he object of our invention is to provide a simple machine upon which paper tubesl Figure 1 is an elevational view of a machine embodying the invention; Fig. 2 a

cross-.section of the feeding`mechan1smon line 2-2of Fig. 1 `and Fig. 3 a detail view ofthe frictional driving means.

Referring to the illustrative embodimentl of the invention, 1 is the base of the machine having thereon the two upstanding stand-v ards or` end members 2, 3. The standard 2 is slidably securedto the base and carries a bearing 4 and member 3 carries a bearing 5. A mandrel 6 is revolubly supported in the bearing 4, the mandrel being rectangular -in cross section. 17 represents one or more spools of paper that arerevolublysupg ported so that the strip or strips. 8 may fed to the 'mandrel inspiral manner. Any 8 l'may lbe :fed depending number Aof strips apei, or thick upon thenumber of. .plies-of :ness desired for 'the tube." -he-.mandre1,.'0f-

secured toa r,shaft i 37 formed-omthestandard '3. x A :gear

Serial N0. 62,757.

course, will be of the sizerequired to form the desired inner diameter of the tube to be made. v 1

A gear 9 is'secured t0 the mandrel and meshes with the pinion 10 secured to a shaft 11a that -is revolubly mounted in the standard',2, and one-half of a clutch 11" is securedv tothe end of this shaft, the other half of the clutch being secured to the end of a.v i'

shaft 11 supported in the standard 3 and having a bearing 1a A pinion 12 is secured to the shaft 11 and meshes with a gear 13 that is fixed on a sleeve 14 revolubly mounted in the bearing 5'.

The free end of the mandrel passes freelythrough this sleeve.

A frame 15 is secured to the inner end of the ks leeve 14 and consists of end walls or plates `16, 16, each having ano ening 17 therein through which 'the man` rel freely passes, and top and bottom plates 18` and 19.

A suitable number' of shafts 20, 20 are revolublymounted in the plates 18 and -19 uponopposite sides of the mandrel and u on each of'them 1s adjustably securedv a eed roller 21, 21.y AAbovethe rollers 21, l2,1

and slidablyiiounted on the shafts 210, 201 are other feed 'roliers 22,22', springs 23 on the shafts engaging the upper side of the feed rollers 22 and 22' and the top member 18 for supplying tension to the feed rollers 22, 22 and causing themto frictionally engage the tube 24. "The lower rollers 21, 21 are adjusted with the desired clearance relatively to the mandrel so that they will frictionally engage the tube.

25 represents an electric motor having formed on the base 1.-

a bevel gear 26 secured to its 'shaft 25,

This gearmeshes with 'a gear' 27 secured to the lowerend of a revolubly mounted shaft 28. 5-The shaft `28 is designed to drive the shafts 11, 11. One form of driving connection for the shafts 11, 11* is shown in Fig. 3 in which a gear 29 is secured to the shaft 28 and meshes with a gear 30 secured to a shaft 31 suitably supported at 31 on the frame. A friction wheel 32 is adjustably secured to theshaftl Iand engages a disk 33 secured to thesha-ft 1-1'.'Y

A..similar 'friction wheel 34 is similarly esa disk 35 driven by the shaft 28 and enga -in'Y a. bear- 36 supporre los 38 is secured to the shaft 36 and meshes with a gear 39`secured to4 a shaft 40 mounted in a bearing 41 carried by the standard 3. A pinionf42 isv secured to this shaft 40 and meshes with a gear 43 'mounted on the eil:- terior of the bearing 5. This ca r `43 is also internally threaded and this internal gear 43 is engaged by a pinion 44 secured `to a shaft 45 revolubly mounted in the brackets 46` depending from the frame 15. A. plurality of Worms 47 are secured to or formed on the shaft 45 and mesh respectively with worm wheels 48 secured to the lower ends of the shaft 20, and with worm wheels 49 on the lower ends of the shafts 20" f on the opposite side of the mandrel. The

electric motor is illustrative of a driving means for the mechanism and it is seen that it drives ithe shaft 28 which in through the shafts 11, 11a and the'pmion 1() and gears 9 drive the mandrel at the vselected speed. The shafts 11,. 11 also,

' through the pi-nion 12, the gear 13 andthe will, when. the standard and mandrel are returned to normal sitio'n be en ged b all the feed rollers.' ereafter as t e win .sleeve 14 drive the frame 15, the mandrel Yand frame 15 rotatin in the same directionv and preferably at t e same speed. The

The paper strips 8 are guided in any suit-'v able manner upon the mandrel so as to form a complete wall. nitiall the standard 2 will be releasedV and move outwardly alo the base to move the mandrel longitudinally a sulicient distance to enable the 'paper strips vto -be wound on a sulicient portion of the mandrel to form a length O-f tube that in of the tube continues therotating feed ro ers continuously move the tube along the mandrel and toward and 011'` the; free end of the same. The tube may be cut in suitable manner into any len desired.

In order Yto facilitate theV movement of the nisheditu'be onthe mandrehwe prefer' v feed rollers met b the tube to thev free end' reduction in diameter to slightly reduce the diameter of the mandrel from a point adjacent the first set of of the mandrel. is verv slight only, eayrtwo thousandths of It is now. seen that we havedevised a machine in which the tubeis advancedcontinuously vtoward the discharge end of the mandrel and hence no delay is I Vioued by the removal of the timliedtube 1 ng a plurahty of feeding members revolubly 4continuously move Any desired shape of mandrel may be used. the feeding mechanism being applicable to any selected or desired form of tube to` be built; hence, we do not wish to be limited to the precise form of mandrel de# scribed and illustrated nor .to the specific form of feedi mechanism described above.

What we claim ist@l f f 1. In a tube windin' V-"machine, the combination of a lon .'tun'ally movable and revolubly mounte mandreh .a a revoluble support, feedingmembers revolubly mounted on the support and adjacent tothe mandrel and adapted' toen the tube being formed on the mandre and continuously move itv along the-mandrel, means to rotate the mandrel-and the frame in chronism and independentjmeanstosync ronize the rotation of the feeding members withl the Y mandrel. y.

2. In a tube wind bination of a revolub upon which to windjel tube, aplurality of feeding members revolubly mountedV adjacent to the mandrel and adapted to e e and continuousl move-the-tulm'a` `as. wennV the mounting o the feedin members bein revoluble, means to cause t e mandrel an Y. the said mounting to rotate in unison and machine, the corn-v yv mounted vmandrel f means to regulate the speed of rotation'of 95 the feeding members independently of the mandrel and the moun 3. I n a paper tube winding'machine, a 'I revolubly mounted angular mandrel hav one free end andupon which mandrel strilpg of paper are adapted to be wound to form a tube, and means to. continuously` remove the from the mandrel as 4it; 'is formed consist-in of a revolubly mounted frame and moimted on the frame adjacent to the mandrel and adapted to engage the'tube and it along themandrel toward thefree end thereof and means to .regulate the speed of rotation of the feedi members independently ofthe rotation dg the frame. Y f 4. `In a vpaper tube windingmachina' having onefree. Vend and upon which mantoA form atu means to continuously v Ime jrevolubly mounted rectangular mandrel il ie drel strips of'aper are adapted to be wound and remove. the-tube from the mandrel as' itis formed consistingY of a revolubl` frame 'through which themandyrel loosely promets 'a' lurality of shafts revolublymounted in rollers adjustablysecured and adapted to frictionallyengage the'tube for movin the tube alo the mandrel toward the ee end.v thereon?, means to rotate the mandrel and the frame means to cause thefeed roller shaftspn one 'side of' thelm'andrel to rotate mounted i 12o l l "in a' mectinhopplsit@ @0 that on the i"lla side and means to re rotation of the feed ro ently ofthe rotation of the fr In a 5 longitudine strips to the mendre 10 frame in synchronism,

late the speed of er shafts independame.

Yaper tube winding machine, a 1y movable and revolubly 'mounted angular mandrel means to feed paper to form a tube thereon,a revolubly mounted frame about the mandrel, means to rotate the mandrel and y a plurality of feedi members adjustably and revolubly moun -able friction means to members at speeds in synchronism with the s d of rotation of the'formed tube to cause on the frame and adapted to engage the tube formed on the mandrel and an adjustdrive the feeding t e tube to continuously move longitudinally onthe mandrel.

In witness whereof we have hereunto set our hands this 14th day of October, 1925. GEORGE U. BRAKE.

CHARLES g HOLLMANN. 

